Differences Between Micro-Fit 3.0 43645 Series Connectors from Molex

We often get calls wondering the differences between similar connectors within the Micro-Fit 3.0 43645 series of rectangular connectors from Molex. For example there are three 2-circuit connectors in the series 0436450200, 0436450208, and 0436450210.

The chart below details the differences. It was taken from a specifications chart on their website, to review or download the entire chart please see their website. 43645 - Series Chart | Molex

Part Number Web Description Circuits (maximum) Flammability Glow-Wire Capable Material - Resin Net Weight Temperature Range - Operating
436450200 Micro-Fit 3.0 Receptacle Housing, Single Row, 2 Circuits, UL 94V-0, Low-Halogen, Black 2 94V-0 No Nylon 0.272/g -40° to +105°C
436450208 Micro-Fit 3.0 Receptacle Housing, Single Row, 2 Circuits, UL 94V-0, Low-Halogen Since Inception, Black 2 94V-0 No Nylon 0.272/g -40° to +105°C
436450210 Micro-Fit 3.0 Receptacle Housing, Single Row, 2 Circuits, UL 94V-2, Glow-Wire Capable, Black 2 94V-2 Yes Nylon 0.290/g -40° to +125°C
436450300 Micro-Fit 3.0 Receptacle Housing, Single Row, 3 Circuits, UL 94V-0, Low-Halogen, Black 3 94V-0 No Nylon 0.456/g -40° to +105°C
436450308 Micro-Fit 3.0 Receptacle Housing, Single Row, 3 Circuits, UL 94V-0, Low-Halogen Since Inception, Black 3 94V-0 No Nylon 0.456/g -40° to +105°C
436450310 Micro-Fit 3.0 Receptacle Housing, Single Row, 3 Circuits, UL 94V-2, Glow-Wire Capable, Black 3 94V-2 Yes Nylon 0.487/g -40° to +125°C
436450400 Micro-Fit 3.0 Receptacle Housing, Single Row, 4 Circuits, UL 94V-0, Black 4 94V-0 No Polyester 0.566/g -40° to +105°C
436450408 Micro-Fit 3.0 Receptacle Housing, Single Row, 4 Circuits, UL 94V-0, Low-Halogen Since Inception, Black 4 94V-0 No Nylon 0.391/g -40° to +105°C
436450410 Micro-Fit 3.0 Receptacle Housing, Single Row, 4 Circuits, UL 94V-2, Glow-Wire Capable, Black 4 94V-2 Yes Nylon 0.480/g -40° to +125°C
436450500 Micro-Fit 3.0 Receptacle Housing, Single Row, 5 Circuits, UL 94V-0, Black 5 94V-0 No Polyester 0.664/g -40° to +105°C
436450508 Micro-Fit 3.0 Receptacle Housing, Single Row, 5 Circuits, UL 94V-0, Low-Halogen Since Inception, Black 5 94V-0 No Nylon 0.540/g -40° to +105°C
436450510 Micro-Fit 3.0 Receptacle Housing, Single Row, 5 Circuits, UL 94V-2, Glow-Wire Capable, Black 5 94V-2 Yes Nylon 0.664/g -40° to +125°C
436450600 Micro-Fit 3.0 Receptacle Housing, Single Row, 6 Circuits, UL 94V-0, Black 6 94V-0 No Polyester 0.785/g -40° to +105°C
436450608 Micro-Fit 3.0 Receptacle Housing, Single Row, 6 Circuits, UL 94V-0, Low-Halogen Since Inception, Black 6 94V-0 No Nylon 0.639/g -40° to +105°C
436450610 Micro-Fit 3.0 Receptacle Housing, Single Row, 6 Circuits, UL 94V-2, Glow-Wire Capable, Black 6 94V-2 Yes Nylon 0.785/g -40° to +125°C
436450700 Micro-Fit 3.0 Receptacle Housing, Single Row, 7 Circuits, UL 94V-0, Black 7 94V-0 No Polyester 0.895/g -40° to +105°C
436450800 Micro-Fit 3.0 Receptacle Housing, Single Row, 8 Circuits, UL 94V-0, Black 8 94V-0 No Polyester 1.004/g -40° to +105°C
436450900 Micro-Fit 3.0 Receptacle Housing, Single Row, 9 Circuits, UL 94V-0, Black 9 94V-0 No Polyester 1.122/g -40° to +105°C
436451000 Micro-Fit 3.0 Receptacle Housing, Single Row, 10 Circuits, UL 94V-0, Black 10 94V-0 No Polyester 1.203/g -40° to +105°C
436451100 Micro-Fit 3.0 Receptacle Housing, Single Row, 11 Circuits, UL 94V-0, Black 11 94V-0 No Polyester 1.312/g -40° to +105°C
436451200 Micro-Fit 3.0 Receptacle Housing, Single Row, 12 Circuits, UL 94V-0, Black 12 94V-0 No Polyester 1.480/g -40° to +105°C
Applicable Part Numbers
DigiKey Part Number Manufacturer Part Number
WM1845-ND 0436450200
WM26388-ND 0436450210
WM2406-ND 0436450800
WM1846-ND 0436450300
WM1848-ND 0436450500
WM11251-ND 0436450308
WM13985-ND 0436450408
WM1849-ND 0436450600
WM2405-ND 0436450700
WM20158-ND 0436450410
WM11226-ND 0436450208
WM26394-ND 0436450310
WM2408-ND 0436451000
0436450510-ND 0436450510
WM13217-ND 0436450608
WM12761-ND 0436450508
900-0436450900-ND 0436450900
WM2410-ND 0436451200
23-0436451100-ND 0436451100
WM1847-ND 0436450400
0436450610-ND 0436450610
900-0436450307-ND 0436450307